Home / 5,147,238.88-7,104,041.18-2,856,137.68

Finding the Fourth Proportional to 5,147,238.88, 7,104,041.18 and 2,856,137.68

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Solution

The fourth proportional to 5,147,238.88, 7,104,041.18 and 2,856,137.68 is: 3,941,942.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147,238.88 : 7,104,041.18 = 2,856,137.68 : x
  2. Step 2: Convert to fraction form
    5,147,238.88/7,104,041.18 = 2,856,137.68/x
  3. Step 3: Cross multiply
    5,147,238.88x = 7,104,041.18 × 2,856,137.68
  4. Step 4: Simplify right side
    5,147,238.88x = 20,290,119,694,469.66
  5. Step 5: Solve for x
    x = 20,290,119,694,469.66/5,147,238.88
  6. Step 6: Final answer
    x = 3,941,942.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.